30: Equipped with a high-definition 30X optical triplet glass lens, this loupe delivers sharp, distortion-free viewing ideal for precision tasks. 22mm lens diameter offers a wide and clear viewing field, allowing users to inspect gemstones, watch components, currency markings, stamps, and electronics with exceptional accuracy.;: Features four dedicated light modesUV, Warm, Natural, and Whiteproviding the perfect lighting environment for various inspection needs. UV light helps identify gemstone authenticity and currency verification, while warm and natural tones allow for true-color evaluation of jewelry and artifacts.;: Built with a sturdy combination of stainless steel and high-quality plastic, ensuring long-term durability and resistance to wear. The foldable compact structure protects the lens when not in use and makes it easy to carry in pockets, toolkits, or bags.;: Equipped with a built-in rechargeable battery, this LED loupe removes the hassle of using disposable batteriesmaking it both eco-friendly and budget-friendly. With its USB Type-C charging port, you can easily power it up anytime for long-lasting, reliable use.;: Whether you're a jeweler, a collector, watchmaker or just someone who loves to examine small objects, this 30x jewelry loop magnifi